package org.lecric.wind44.server.servlet;

import java.io.IOException;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;

@SuppressWarnings("serial")
public class LoginServlet extends HttpServlet
{
	@Override
	public void doGet(HttpServletRequest req, HttpServletResponse resp)
	throws IOException {
		UserService userService = UserServiceFactory.getUserService();
		User user = userService.getCurrentUser();

		if (user != null && req.getParameter("force")==null)
		{
			resp.sendRedirect(req.getParameter("site"));
		}
		else
		{
			resp.sendRedirect(userService.createLoginURL(req.getParameter("site")));
		}
	}
}
